288716580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15881}}^1$

素因数の和:15997

約数の個数: 72

約数和(自身を含む): 884500344

約数和(自身を除く): 595783764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090, 15881, 18180, 31762, 47643, 63524, 79405, 95286, 142929, 158810, 190572, 238215, 285858, 317620, 476430, 571716, 714645, 952860, 1429290, 1603981, 2858580, 3207962, 4811943, 6415924, 8019905, 9623886, 14435829, 16039810, 19247772, 24059715, 28871658, 32079620, 48119430, 57743316, 72179145, 96238860, 144358290, 288716580]

約数ペア:

[(1, 288716580), (2, 144358290), (3, 96238860), (4, 72179145), (5, 57743316), (6, 48119430), (9, 32079620), (10, 28871658), (12, 24059715), (15, 19247772), (18, 16039810), (20, 14435829), (30, 9623886), (36, 8019905), (45, 6415924), (60, 4811943), (90, 3207962), (101, 2858580), (180, 1603981), (202, 1429290), (303, 952860), (404, 714645), (505, 571716), (606, 476430), (909, 317620), (1010, 285858), (1212, 238215), (1515, 190572), (1818, 158810), (2020, 142929), (3030, 95286), (3636, 79405), (4545, 63524), (6060, 47643), (9090, 31762), (15881, 18180)]